Home / 55,008,115.20-82,600,300.80-43,742,246.40

Finding the Fourth Proportional to 55,008,115.20, 82,600,300.80 and 43,742,246.40

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Solution

The fourth proportional to 55,008,115.20, 82,600,300.80 and 43,742,246.40 is: 65,683,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008,115.20 : 82,600,300.80 = 43,742,246.40 : x
  2. Step 2: Convert to fraction form
    55,008,115.20/82,600,300.80 = 43,742,246.40/x
  3. Step 3: Cross multiply
    55,008,115.20x = 82,600,300.80 × 43,742,246.40
  4. Step 4: Simplify right side
    55,008,115.20x = 3,613,122,710,307,717
  5. Step 5: Solve for x
    x = 3,613,122,710,307,717/55,008,115.20
  6. Step 6: Final answer
    x = 65,683,448.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.